<template>
    <div class="child">
        <h2>child子组件部分</h2>
        <p>{{msg}}</p>
        <button @click="sendMsgToParent">向父组件传值</button>
    </div>
</template>

<script>
    export default {
        data(){
            return {

            }
        },
        props: ["msg"],
        methods: {
            sendMsgToParent: function(){
            /* 使用自定义事件传递一句话过去*/
            this.$emit("listenToChildEvent","this msg from child");
            }
        }
    }
</script>

<style>
</style>